\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Appendix Table: Heckman two-step estimates for childcare/goods relative demand (ALL, 4ca, 1-2 kids ages 0-12, 2002 and 2007)}
\begin{tabular}{l*{3}{c}}
\hline\hline
                                            &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         \\
                                            &           b/se         &           b/se         &           b/se         \\
\hline
ln\_invratio\_imp                             &                        &                        &                        \\
$\ln(\tilde{P}\_{c,i})$                      &          0.655\sym{**} &          0.653\sym{**} &          0.456\sym{*}  \\
                                            &        (0.219)         &        (0.217)         &        (0.214)         \\
Married                                     &          0.825         &          0.833         &          0.085         \\
                                            &        (0.626)         &        (0.622)         &        (0.635)         \\
Child's age                                 &         -0.242\sym{***}&         -0.233\sym{***}&         -0.129         \\
                                            &        (0.063)         &        (0.067)         &        (0.066)         \\
Mother some coll.                           &          0.253         &          0.232         &          0.175         \\
                                            &        (0.203)         &        (0.206)         &        (0.187)         \\
Mother coll+                                &          0.054         &          0.028         &         -0.062         \\
                                            &        (0.234)         &        (0.241)         &        (0.208)         \\
Mother's age                                &         -0.004         &         -0.004         &         -0.002         \\
                                            &        (0.014)         &        (0.014)         &        (0.014)         \\
Marr x Father some coll.                    &          0.071         &          0.077         &          0.172         \\
                                            &        (0.223)         &        (0.221)         &        (0.217)         \\
Marr x Father coll+                         &         -0.455         &         -0.453         &         -0.660\sym{**} \\
                                            &        (0.236)         &        (0.233)         &        (0.244)         \\
Marr x Father's age                         &         -0.018         &         -0.018         &         -0.006         \\
                                            &        (0.016)         &        (0.016)         &        (0.016)         \\
Mother white                                &         -0.342\sym{*}  &         -0.345\sym{*}  &         -0.214         \\
                                            &        (0.152)         &        (0.151)         &        (0.150)         \\
Num children age 0-5                        &          0.175         &          0.158         &          0.126         \\
                                            &        (0.177)         &        (0.179)         &        (0.184)         \\
Num of children                             &         -0.078         &         -0.063         &          0.010         \\
                                            &        (0.144)         &        (0.148)         &        (0.153)         \\
$\ln(1+e^{\Phi\_m}+Marr\cdot e^{\Phi\_f})$    &                        &                        &          0.544         \\
                                            &                        &                        &        (0.306)         \\
\_cons                                      &          1.228         &          1.206         &         -0.491         \\
                                            &        (0.643)         &        (0.638)         &        (1.146)         \\
\hline
pos\_chcare\_imp                              &                        &                        &                        \\
$\ln(\tilde{P}\_{c,i})$                      &          0.103         &          0.102         &         -0.084         \\
                                            &        (0.135)         &        (0.134)         &        (0.158)         \\
Married                                     &          0.144         &          0.285         &         -0.191         \\
                                            &        (0.379)         &        (0.375)         &        (0.469)         \\
Child's age                                 &         -0.135\sym{***}&         -0.134\sym{***}&         -0.120\sym{***}\\
                                            &        (0.023)         &        (0.023)         &        (0.034)         \\
Mother some coll.                           &          0.339\sym{***}&          0.351\sym{***}&          0.282\sym{*}  \\
                                            &        (0.101)         &        (0.101)         &        (0.118)         \\
Mother coll+                                &          0.501\sym{***}&          0.508\sym{***}&          0.398\sym{**} \\
                                            &        (0.114)         &        (0.113)         &        (0.133)         \\
Mother's age                                &         -0.009         &         -0.004         &          0.001         \\
                                            &        (0.009)         &        (0.009)         &        (0.011)         \\
Marr x Father some coll.                    &         -0.060         &         -0.067         &         -0.105         \\
                                            &        (0.135)         &        (0.135)         &        (0.154)         \\
Marr x Father coll+                         &         -0.009         &         -0.009         &         -0.100         \\
                                            &        (0.146)         &        (0.146)         &        (0.178)         \\
Marr x Father's age                         &         -0.006         &         -0.009         &         -0.001         \\
                                            &        (0.009)         &        (0.009)         &        (0.011)         \\
Mother white                                &         -0.082         &         -0.067         &          0.026         \\
                                            &        (0.095)         &        (0.094)         &        (0.111)         \\
Num children age 0-5                        &          0.298\sym{**} &          0.301\sym{**} &          0.339\sym{**} \\
                                            &        (0.106)         &        (0.105)         &        (0.129)         \\
Num of children                             &         -0.243\sym{**} &         -0.233\sym{*}  &         -0.244\sym{*}  \\
                                            &        (0.094)         &        (0.094)         &        (0.111)         \\
2002.year                                   &          0.000         &          0.000         &          0.000         \\
                                            &            (.)         &            (.)         &            (.)         \\
2007.year                                   &         -0.757\sym{***}&         -0.751\sym{***}&         -0.772\sym{***}\\
                                            &        (0.142)         &        (0.142)         &        (0.172)         \\
HH Head same state                          &         -0.042         &         -0.030         &         -0.149         \\
                                            &        (0.092)         &        (0.092)         &        (0.107)         \\
live w/older relative                       &         -0.540\sym{*}  &                        &                        \\
                                            &        (0.225)         &                        &                        \\
Any children ages 13+                       &         -0.119         &         -0.128         &         -0.313\sym{*}  \\
                                            &        (0.124)         &        (0.124)         &        (0.145)         \\
2+ children ages 13+                        &          0.141         &          0.129         &          0.116         \\
                                            &        (0.217)         &        (0.217)         &        (0.250)         \\
$\ln(1+e^{\Phi\_m}+Marr\cdot e^{\Phi\_f})$    &                        &                        &          0.322         \\
                                            &                        &                        &        (0.186)         \\
\_cons                                      &          1.286\sym{**} &          1.043\sym{*}  &          0.547         \\
                                            &        (0.452)         &        (0.440)         &        (0.774)         \\
\hline
/mills                                      &                        &                        &                        \\
lambda                                      &          0.948\sym{*}  &          0.874         &          0.467         \\
                                            &        (0.421)         &        (0.460)         &        (0.426)         \\
\hline
N\_selected                                  &            338         &            338         &            302         \\
N                                           &           1318         &           1318         &            930         \\
\hline\hline
\end{tabular}
\end{table}
